Super material: It is made of copper. Durable stainless steel material is selected for high conductivity, anti-corrosion and wear resistance, have a tighter seal and high heat resistance than steel and rubber washers, suitable for all kinds of scenes, produces an anti-oxidation layer on the surface of the material and acts as a non-rusting agent, good tensile strength, durable.
Package quantity and mode: In this flat washers kit, It includes 110Pcs metric flat washers: 1/4''(30pcs), 5/16'' (25pcs), 3/8'' (20pcs), 7/16''(15pcs), 1/2''(10pcs), 5/8''(10pcs). Complete species meet your all demand. They are packed in a transparent storage case for quick access and protection.
Character: Highly compatible with screws, nuts and bolts of same sizes and feature solid bearing surface to prevent nut/bolt head from tearing through material. Easy to operate, standard size, not easy to slip , more convenient and quick to use.
Function: Flat washers are usually used to prevent nuts from loosening, reduce vibration and protect parts. Washer's surface are smooth can reduces friction between the fasteners, preventing isolates, preventing loosening and dispersion pressure, no burr, excellent workmanship, durable.
Wide uses: Perfect for home DIY, automotive, shop use, mechanics, car garage, power equipment, trucks, lawn mower, small engine repair.